What percentage of the juniors drove to school

Reference no: EM131816687

Responses are shown for 20 high school juniors and seniors who were asked to report their year, and whether their means of transportation was to drive themselves to school (d) or not (n).

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a. Which students should you expect to have a higher percentage driving themselves to school: juniors or seniors?

b. Tabulate the results in a two-way table, taking year as the explanatory variable and transportation as the response; include totals for both variables.

c. What percentage of the juniors drove to school?

d. What percentage of the seniors drove to school?

e. Sketch a bar graph of the data.

f. Overall, what percentage of the students drove to school?

g. Construct a table of what the counts would be if there were still 10 juniors and 10 seniors, and still 10 each driving to school and not driving to school, but equal percentages driving to school for juniors and for seniors (same as the overall percentage that you found in part [f]).

Reference no: EM131816687

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